A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SCOURING PREVENTION STRUCTURE, AND CONSTRUCTION METHOD OF SCOURING PREVENTION STRUCTURE
To provide a scouring prevention structure that can be constructed in a short period of time and that can efficiently suppress scouring, and a construction method of the scouring prevention structure.SOLUTION: A scouring prevention structure 1h comprises: a monopile 4; a water-impermeable coating body 7b having a hole 73 through which the monopile 4 penetrates and disposed at an outer periphery of the monopile 4 with a gap 14 from the monopile 4; and a deformable filter unit 6d that contacts a surface of the monopile 4 so as to block a ground 2 of a water bottom 3 in the gap 14 and can follow swinging of the monopile 4. A plurality of through holes 10b are provided in the vicinity of an outer periphery of the coating body 7b. The scouring prevention structure 1h is constructed by steps of: installing the coating body 7b on the water bottom 3; driving the monopile 4 so as to penetrate the ground 2 of the water bottom 3 in the hole 73 of the coating body 7b; and arranging the filter unit 6d around the monopile 4 so as to close the gap 14 and bring the same into contact with a side face 41 of the monopile 4.SELECTED DRAWING: Figure 12
【課題】短時間で施工可能であり、効率よく洗掘を抑えられる洗掘防止構造および洗掘防止構造の施工方法を提供すること。【解決手段】洗掘防止構造１ｈは、モノパイル４と、モノパイル４が貫通する孔７３を有し、モノパイル４に対して隙間１４をあけて、モノパイル４の外周に配置される不透水性の被覆体７ｂと、隙間１４の水底３の地盤２を塞ぐように、モノパイル４の表面に接触し、モノパイル４の揺動に追従可能な変形可能なフィルターユニット６ｄと、を具備し、被覆体７ｂの外周近傍には複数の貫通孔１０ｂが設けられる。洗掘防止構造１ｈは、被覆体７ｂを水底３に設置する工程と、被覆体７ｂの孔７３の水底３の地盤２を貫通するようにモノパイル４を打設する工程と、フィルターユニット６ｄを隙間１４を塞ぎつつモノパイル４の側面４１に接触させるようモノパイル４の周りに配置する工程とによって施工される。【選択図】図１２
SCOURING PREVENTION STRUCTURE, AND CONSTRUCTION METHOD OF SCOURING PREVENTION STRUCTURE
To provide a scouring prevention structure that can be constructed in a short period of time and that can efficiently suppress scouring, and a construction method of the scouring prevention structure.SOLUTION: A scouring prevention structure 1h comprises: a monopile 4; a water-impermeable coating body 7b having a hole 73 through which the monopile 4 penetrates and disposed at an outer periphery of the monopile 4 with a gap 14 from the monopile 4; and a deformable filter unit 6d that contacts a surface of the monopile 4 so as to block a ground 2 of a water bottom 3 in the gap 14 and can follow swinging of the monopile 4. A plurality of through holes 10b are provided in the vicinity of an outer periphery of the coating body 7b. The scouring prevention structure 1h is constructed by steps of: installing the coating body 7b on the water bottom 3; driving the monopile 4 so as to penetrate the ground 2 of the water bottom 3 in the hole 73 of the coating body 7b; and arranging the filter unit 6d around the monopile 4 so as to close the gap 14 and bring the same into contact with a side face 41 of the monopile 4.SELECTED DRAWING: Figure 12
【課題】短時間で施工可能であり、効率よく洗掘を抑えられる洗掘防止構造および洗掘防止構造の施工方法を提供すること。【解決手段】洗掘防止構造１ｈは、モノパイル４と、モノパイル４が貫通する孔７３を有し、モノパイル４に対して隙間１４をあけて、モノパイル４の外周に配置される不透水性の被覆体７ｂと、隙間１４の水底３の地盤２を塞ぐように、モノパイル４の表面に接触し、モノパイル４の揺動に追従可能な変形可能なフィルターユニット６ｄと、を具備し、被覆体７ｂの外周近傍には複数の貫通孔１０ｂが設けられる。洗掘防止構造１ｈは、被覆体７ｂを水底３に設置する工程と、被覆体７ｂの孔７３の水底３の地盤２を貫通するようにモノパイル４を打設する工程と、フィルターユニット６ｄを隙間１４を塞ぎつつモノパイル４の側面４１に接触させるようモノパイル４の周りに配置する工程とによって施工される。【選択図】図１２
SCOURING PREVENTION STRUCTURE, AND CONSTRUCTION METHOD OF SCOURING PREVENTION STRUCTURE
洗掘防止構造および洗掘防止構造の施工方法
INAGAKI SATOSHI (author) / USAMI EIJI (author) / UMEZU ISSEI (author) / NIIHARA YUJI (author) / SUZUKI KAZUTERU (author) / ARAKAWA KENSUKE (author) / KISHIDA TETSUYA (author) / YOSHIDA SHINYA (author) / SATO MASAHIRO (author) / GOTO HIROAKI (author)
2023-08-09
Patent
Electronic Resource
Japanese
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